1675010997991 has 4 divisors (see below), whose sum is σ = 1676316541752. Its totient is φ = 1673705454232.

The previous prime is 1675010997971. The next prime is 1675010998091. The reversal of 1675010997991 is 1997990105761.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1675010997991 - 2²¹ = 1675008900839 is a prime.

It is a super-3 number, since 3×1675010997991³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1675010997901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652769956 + ... + 652772521.

It is an arithmetic number, because the mean of its divisors is an integer number (419079135438).

Almost surely, 2^{1675010997991} is an apocalyptic number.

1675010997991 is a deficient number, since it is larger than the sum of its proper divisors (1305543761).

1675010997991 is a wasteful number, since it uses less digits than its factorization.

1675010997991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305543760.

The product of its (nonzero) digits is 9644670, while the sum is 64.

The spelling of 1675010997991 in words is "one trillion, six hundred seventy-five billion, ten million, nine hundred ninety-seven thousand, nine hundred ninety-one".